/*
 * Copyright 2014 Netflix, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.reactivex.netty;

import io.reactivex.netty.channel.ObservableConnection;
import rx.Subscription;
import rx.subscriptions.BooleanSubscription;


public class RemoteUnsubscribe implements Subscription{

	private ObservableConnection<RemoteRxEvent,RemoteRxEvent> connection;
	private BooleanSubscription subscription = new BooleanSubscription();
	private String observableName;
	
	public RemoteUnsubscribe(String observableName) {
		this.observableName = observableName;
	}

	@Override
	public void unsubscribe() {
		if (connection != null){
			connection.writeAndFlush(RemoteRxEvent.unsubscribed(observableName)); // write unsubscribe event to server
		}
		subscription.unsubscribe();
	}

	@Override
	public boolean isUnsubscribed() {
		return subscription.isUnsubscribed();
	}

	void setConnection(
			ObservableConnection<RemoteRxEvent, RemoteRxEvent> connection) {
		this.connection = connection;
	}

}
